Abstract
In mobile ad hoc networks for big data transmission, nodes communicate with each other via intermediate nodes. However, some intermediate nodes may behave selfishly, resulting in reduced throughput and increased delay in the network. Thus, the existence of selfish behaviour in a mobile ad hoc network degrades the performance of the network. In this paper, we propose a scheme that detects selfish behaviour and prevents its occurrence in mobile ad hoc network. The proposed scheme uses an adaptive threshold algorithm to detect selfish behaviour, and prevents it based on a repeated games scheme. Extensive simulations using NS-2 showed that our scheme can effectively detect and prevent selfish behaviour.
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